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Intelligent digital system for reducing hall sound reinforcement reverberation time

A reverberation time and hall technology, applied in the direction of frequency/direction characteristic devices, etc., can solve the problems of adjusting reverberation time, hindering screen projection, and not meeting the conditions for decoration and renovation, so as to reduce reverberation time and improve language clarity Effect

Pending Publication Date: 2022-04-01
NANJING PIONE HIGH TECH
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Problems solved by technology

[0003] However, the existing historical buildings, halls and other buildings do not have the conditions for decoration and renovation, and it is difficult to adjust the reverberation time by changing the sound absorption of each interface, so it is not convenient to do acoustic reconstruction.
However, some owners do not want to install sound-absorbing materials inside the air-film building, because the additional sound-absorbing material does not meet the aesthetic requirements of the owner and hinders the screen projection on the inner wall of the air-film building

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  • Intelligent digital system for reducing hall sound reinforcement reverberation time
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  • Intelligent digital system for reducing hall sound reinforcement reverberation time

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] see figure 1 , an intelligent digital system for reducing the reverberation time of sound reinforcement in a hall, comprising: an air-film building 10, the air-film building 10 forms a building space, and there is a certain amount of reverberation in the building space due to the reflection of sound energy on the inner wall of the air-film building 10 time.

[0020] The main loudspeaker 20 is arranged in the air-film building, and the mai...

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Abstract

The invention discloses an intelligent digital system for reducing hall sound reinforcement reverberation time, and the system comprises an air film building which forms a building space; a main loudspeaker which outputs a main loudspeaker sound wave; the acquisition microphone is a certain distance away from the main loudspeaker, and the acquisition microphone acquires main loudspeaker sound waves; the acquisition microphone is connected with the controller, a digital twinning system is installed in the controller, and digital negative phase sound waves are output after the main amplification sound waves are subjected to digital processing through the digital twinning system; and the auxiliary loudspeaker is connected with the controller, and the digital negative-phase sound waves are output through the auxiliary loudspeaker. Therefore, under the condition that a sound absorption material does not need to be installed, the reverberation time is reduced and the language definition is improved when sound reinforcement is used.

Description

technical field [0001] The invention relates to the technical field of hall sound reinforcement transformation, in particular to an intelligent digital system for reducing the reverberation time of air-film buildings. Background technique [0002] Reverberation is the result of sound bouncing around inside a bubble building. Since sound is not reflected uniformly from all surfaces of the air structure, the sound inside the air structure will be distorted if not corrected. The existing method for reducing the reverberation time in the air-film building is to add sound-absorbing materials on the inner wall of the air-film building to absorb the sound energy reaching the inner wall of the air-film building. [0003] However, the existing historical buildings, halls and other buildings do not have the conditions for decoration and renovation, and it is difficult to adjust the reverberation time by changing the sound absorption of each interface, so it is not convenient to do ac...

Claims

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Application Information

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IPC IPC(8): H04R1/22H04R1/26H04R1/28
Inventor 俞金祥孙大钊侯天宇
Owner NANJING PIONE HIGH TECH
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